Medium severity · published Apr 18, 2018
CVE-2018-9999
In Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend
5.4
CVSS
0.7%
EPSS
No
On KEV
Description
In Zulip Server versions before 1.7.2, there was an XSS issue with user uploads and the (default) LOCAL_UPLOADS_DIR storage backend.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZS
Zulip Server · Zulip
before 1.7.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-9999
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-9999
Release Notes
https://blog.zulip.org/2018/04/12/zulip-1-7-2-released/
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